import java.util.Scanner;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: wwy
 * Date: 2024-05-01
 * Time: 13:58
 */
public class X {
    public static void main(String[] args) {
        Scanner scanner=new Scanner(System.in);
        while(scanner.hasNextInt()){
            int n= scanner.nextInt();
            for (int i = 0; i < n; i++) {
                for (int j = 0; j < n; j++) {
                    if(i==j||i+j==n-1)
                    {
                        System.out.print("*");
                    }
                    else{
                        System.out.print(" ");
                    }
                }
                System.out.println();
            }
        }
    }
}
